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发明名称
Perfectionnements aux pompes à engrenage
摘要
申请公布号
FR838481(A)
申请公布日期
1939.03.07
申请号
FRD838481
申请日期
1938.05.27
申请人
DRYSDALE & COMPANY LIMITED
发明人
DRYSDALE WILLIAM
分类号
F04C2/08;F04C2/14
主分类号
F04C2/08
代理机构
代理人
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